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'Parse X.509 Certificate' Issuer and Subject name parsing improved. Closes #1365

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This commit is contained in:
n1474335 2022-06-08 18:59:27 +01:00
parent 7197a434c2
commit 2bf1ac6b9c
2 changed files with 17 additions and 27 deletions
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34
src/core/lib/PublicKey.mjs
View File

@ -9,35 +9,25 @@
import { toHex, fromHex } from "./Hex.mjs";
/**
* Formats Distinguished Name (DN) strings.
* Formats Distinguished Name (DN) objects to strings.
*
* @param {string} dnStr
* @param {Object} dnObj
* @param {number} indent
* @returns {string}
*/
export function formatDnStr(dnStr, indent) {
const fields = dnStr.substr(1).replace(/([^\\])\//g, "$1$1/").split(/[^\\]\//);
let output = "",
maxKeyLen = 0,
key,
value,
i,
str;
export function formatDnObj(dnObj, indent) {
let output = "";
for (i = 0; i < fields.length; i++) {
if (!fields[i].length) continue;
const maxKeyLen = dnObj.array.reduce((max, item) => {
return item[0].type.length > max ? item[0].type.length : max;
}, 0);
key = fields[i].split("=")[0];
for (let i = 0; i < dnObj.array.length; i++) {
if (!dnObj.array[i].length) continue;
maxKeyLen = key.length > maxKeyLen ? key.length : maxKeyLen;
}
for (i = 0; i < fields.length; i++) {
if (!fields[i].length) continue;
key = fields[i].split("=")[0];
value = fields[i].split("=")[1];
str = key.padEnd(maxKeyLen, " ") + " = " + value + "\n";
const key = dnObj.array[i][0].type;
const value = dnObj.array[i][0].value;
const str = `${key.padEnd(maxKeyLen, " ")} = ${value}\n`;
output += str.padStart(indent + str.length, " ");
}

10
src/core/operations/ParseX509Certificate.mjs
View File

@ -7,7 +7,7 @@
import r from "jsrsasign";
import { fromBase64 } from "../lib/Base64.mjs";
import { toHex } from "../lib/Hex.mjs";
import { formatByteStr, formatDnStr } from "../lib/PublicKey.mjs";
import { formatByteStr, formatDnObj } from "../lib/PublicKey.mjs";
import Operation from "../Operation.mjs";
import Utils from "../Utils.mjs";
@ -76,8 +76,8 @@ class ParseX509Certificate extends Operation {
}
const sn = cert.getSerialNumberHex(),
issuer = cert.getIssuerString(),
subject = cert.getSubjectString(),
issuer = cert.getIssuer(),
subject = cert.getSubject(),
pk = cert.getPublicKey(),
pkFields = [],
sig = cert.getSignatureValueHex();
@ -170,10 +170,10 @@ class ParseX509Certificate extends Operation {
extensions = cert.getInfo().split("X509v3 Extensions:\n")[1].split("signature")[0];
} catch (err) {}
const issuerStr = formatDnStr(issuer, 2),
const issuerStr = formatDnObj(issuer, 2),
nbDate = formatDate(cert.getNotBefore()),
naDate = formatDate(cert.getNotAfter()),
subjectStr = formatDnStr(subject, 2);
subjectStr = formatDnObj(subject, 2);
return `Version: ${cert.version} (0x${Utils.hex(cert.version - 1)})
Serial number: ${new r.BigInteger(sn, 16).toString()} (0x${sn})